Portable vibrating chisel



FIG. 1 is a top, front and right-side perspective view of a portable vibrating chisel showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view;

FIG. 5 is a front elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a left side elevational view thereof. 

The ornamental design for portable vibrating chisel, as shown. 